From 560mm

Stepping down from 560mm (approx. 22″) spiral ducting? These 560mm duct reducers do exactly that, stepping down to 8 smaller diameters, from 500mm right down to 250mm. They’re used throughout commercial and industrial ventilation systems to change duct diameter cleanly between sections. These reducers are made to order and despatched in 3-5 working days; orders over £400 ex VAT include free UK mainland delivery.

Browse the whole spiral duct reducers category for every other size combination.

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